6th printing- 2015 - All books signed by the author. A self-paced book for middle school students. Numerous indepth activities: Mapping the sea floor; mapping Pangaea, plotting ocean currents; Marine ecology - open ocean food web; interviews with famous oceanographers and more.
6th printing- 2015 - All books signed by the author. A self-paced book for middle school students. Numerous indepth activities: Mapping the sea floor; mapping Pangaea, plotting ocean currents; Marine ecology - open ocean foo...
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